Journal of Healthcare Engineering / 2018 / Article / Fig 6

Research Article

Fully Automated Lumen Segmentation Method for Intracoronary Optical Coherence Tomography

Figure 6

Examples of chosen extrema points needed to perform linear interpolation: (a) binary image after preprocessing and artifact removal with marked extrema, (b) extrema point connection (linear interpolation), (c) lumen segmentation outcome, and (d) input OCT image with lumen contour tracing. Images (a)–(c) are in polar coordinates, and image (d) is after transformation to Cartesian coordinates.

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